North American Numbering Plan

integrated telephone numbering plan serving 20 North American countries which share its resources

The North American Numbering Plan (NANP) is a telephone numbering plan. It includes 24 countries and territories, including the United States, Canada, Bermuda, and 17 nations of the Caribbean.[1][2]

There are three-digit area codes and seven-digit telephone numbers.

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References

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  1. "NANPA : North American Numbering Plan Administration – About Us". Archived from the original on 2012-06-04. Retrieved 2012-05-25.
  2. MEHTA, STEPHANIE N. (1999-02-26). "The Kennedy Space Center Acquires A New Area Code: 3-2-1, as in Blast Off". Wall Street Journal.